Reikan announces major update to FoCal AF tuning software

Reikan has announced a major update to its AF tuning software, FoCal. FoCal automates the process of calibrating your lens to your DSLR camera body, important - if not absolutely necessary - for critical focus when using fast lenses that yield shallow depth-of-field. Version 2 introduces the ability to check your copy of a lens against other users' test results. Read more